--- title: "Dopplers Only case on CSGORoll: odds, RTP & drops" description: "Dopplers Only ($468.99) on CSGORoll, a CS2 case site: advertised RTP 90.91% from 14 items with odds, observed 81.57% over 159 openings in 30 days." url: https://gambatracker.com/cases/csgoroll/dopplers-only rendered: 2026-11-11T17:35Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGORoll](https://gambatracker.com/case-sites/csgoroll) / [Dopplers Only](https://gambatracker.com/cases/csgoroll/dopplers-only) # [CSGORoll](https://gambatracker.com/case-sites/csgoroll) · Dopplers Only A case on CSGORoll (knives), first seen 2 Nov 2026. Every value is CSGORoll's own item price converted from Roll coins at the rate on the site page. [24h](https://gambatracker.com/cases/csgoroll/dopplers-only?window=24h) [7d](https://gambatracker.com/cases/csgoroll/dopplers-only?window=7d) [30d](https://gambatracker.com/cases/csgoroll/dopplers-only) [All](https://gambatracker.com/cases/csgoroll/dopplers-only?window=all) Price · $468.99 · 670 coins Advertised RTP · 90.91% · EV $426.36 from 14 items Observed RTP, 30d · 81.57% · 159 openings, odds method Variance · 3.4× · of price², per opening Tail share · 11.5% · of openings carry half the EV Below price · 88.5% · of openings return less than the price ## Advertised vs observed · per window, 95% band and the advertised marker observed, 95% band advertised outside band small sample 24 hours · 17 openings · below min 7 days · 78.77% ±32.66 125 openings 30 days · 81.57% ±29.00 159 openings since tracking started · 81.57% ±29.00 159 openings -0.5% 70.8% 142.0% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/csgoroll/dopplers-only?window=24h) | 17 | 53.42% ±87.7 | — | odds | | [7d](https://gambatracker.com/cases/csgoroll/dopplers-only?window=7d) | 125 | 78.77% ±32.7 | −0.7σ | odds | | [30d](https://gambatracker.com/cases/csgoroll/dopplers-only) | 159 | 81.57% ±29.0 | −0.6σ | odds | | [All](https://gambatracker.com/cases/csgoroll/dopplers-only?window=all) | 159 | 81.57% ±29.0 | −0.6σ | odds | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · 14 items · odds sum to 1 · observed counts over 159 openings, 30 days Share of the expected value, most valuable first; colour is the item's rarity. | Item | Odds | Value | EV share | Observed | Expected | Hot / cold | | --- | --- | --- | --- | --- | --- | --- | | [★ Butterfly Knife \| Doppler (Minimal Wear) (Ruby) knife · covert · Ruby](https://gambatracker.com/items/butterfly-knife-doppler-minimal-wear-ruby) | 1 in 200 | $9,342 13,345 coins | 11.0% | 1 | 0.8 | — | | [★ M9 Bayonet \| Gamma Doppler (Minimal Wear) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/m9-bayonet-gamma-doppler-minimal-wear-emerald) | 1 in 200 | $5,719 8,170 coins | 6.7% | 1 | 0.8 | — | | [★ Butterfly Knife \| Doppler (Minimal Wear) (Phase 1) knife · covert · Phase 1](https://gambatracker.com/items/butterfly-knife-doppler-minimal-wear-phase-1) | 1 in 25 | $2,132 3,045 coins | 20.0% | 1 | 6.4 | 0.16× | | [★ Bayonet \| Doppler (Factory New) (Black Pearl) knife · covert · Black Pearl](https://gambatracker.com/items/bayonet-doppler-factory-new-black-pearl) | 1 in 100 | $2,100 3,000 coins | 4.9% | 1 | 1.6 | 0.63× | | [★ Talon Knife \| Doppler (Minimal Wear) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/talon-knife-doppler-minimal-wear-sapphire) | 1 in 200 | $1,544 2,206 coins | 1.8% | 1 | 0.8 | — | | [★ Talon Knife \| Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/talon-knife-doppler-factory-new-phase-2) | 1 in 20 | $872 1,246 coins | 10.2% | 9 | 8.0 | 1.13× | | [★ Bayonet \| Gamma Doppler (Minimal Wear) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/bayonet-gamma-doppler-minimal-wear-phase-4) | 1 in 20 | $442 631 coins | 5.2% | 10 | 8.0 | 1.26× | | [★ Bayonet \| Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/bayonet-doppler-factory-new-phase-2) | 1 in 14 | $436 623 coins | 7.2% | 14 | 11.1 | 1.26× | | [★ Flip Knife \| Gamma Doppler (Minimal Wear) (Phase 1) knife · covert · Phase 1](https://gambatracker.com/items/flip-knife-gamma-doppler-minimal-wear-phase-1) | 1 in 13 | $349 498 coins | 6.1% | 5 | 11.9 | 0.42× | | [★ Falchion Knife \| Doppler (Minimal Wear) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/falchion-knife-doppler-minimal-wear-phase-4) | 12.0% | $267 382 coins | 7.5% | 16 | 19.1 | 0.84× | | [★ Huntsman Knife \| Doppler (Factory New) (Phase 3) knife · covert · Phase 3](https://gambatracker.com/items/huntsman-knife-doppler-factory-new-phase-3) | 10.0% | $266 380 coins | 6.2% | 23 | 15.9 | 1.45× | | [★ Gut Knife \| Gamma Doppler (Minimal Wear) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/gut-knife-gamma-doppler-minimal-wear-phase-4) | 12.0% | $143 204 coins | 4.0% | 26 | 19.1 | 1.36× | | [★ Gut Knife \| Doppler (Minimal Wear) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/gut-knife-doppler-minimal-wear-phase-4) | 15.0% | $115 165 coins | 4.1% | 21 | 23.8 | 0.88× | | [★ Navaja Knife \| Doppler (Minimal Wear) (Phase 1) knife · covert · Phase 1](https://gambatracker.com/items/navaja-knife-doppler-minimal-wear-phase-1) | 20.0% | $108 154 coins | 5.1% | 30 | 31.8 | 0.94× | Values are CSGORoll's own item prices; EV share = odds × value ÷ EV. Hot / cold compares observed drops of each item with odds × openings; small expected counts are left blank. Odds read from `csgoroll:graphql boxes.slots.rate`, 11 Nov, 14:28 UTC. ## Biggest drops · from this case, by value [★ Butterfly Knife | Doppler (Minimal Wear) (Ruby) knife · covert · Ruby](https://gambatracker.com/items/butterfly-knife-doppler-minimal-wear-ruby) Hidden $475 679 coins $9,723 13,890 coins 20.46x 2026-11-06 00:45 UTC [★ M9 Bayonet | Gamma Doppler (Minimal Wear) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/m9-bayonet-gamma-doppler-minimal-wear-emerald) [Blyatman](https://gambatracker.com/players/csgoroll/Blyatman) $475 679 coins $5,775 8,250 coins 12.15x 2026-11-03 15:00 UTC [★ Bayonet | Doppler (Factory New) (Black Pearl) knife · covert · Black Pearl](https://gambatracker.com/items/bayonet-doppler-factory-new-black-pearl) Hidden $475 679 coins $2,170 3,100 coins 4.57x 2026-11-07 17:58 UTC [★ Butterfly Knife | Doppler (Minimal Wear) (Phase 1) knife · covert · Phase 1](https://gambatracker.com/items/butterfly-knife-doppler-minimal-wear-phase-1) Hidden $475 679 coins $2,160 3,085 coins 4.54x 2026-11-05 03:02 UTC [★ Talon Knife | Doppler (Minimal Wear) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/talon-knife-doppler-minimal-wear-sapphire) Hidden $475 679 coins $1,509 2,156 coins 3.18x 2026-11-08 02:37 UTC [★ Talon Knife | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/talon-knife-doppler-factory-new-phase-2) [Boomster](https://gambatracker.com/players/csgoroll/Boomster) $475 679 coins $891 1,273 coins 1.88x 2026-11-07 19:26 UTC [★ Talon Knife | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/talon-knife-doppler-factory-new-phase-2) Hidden $475 679 coins $891 1,273 coins 1.88x 2026-11-07 19:21 UTC [★ Talon Knife | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/talon-knife-doppler-factory-new-phase-2) [Boomster](https://gambatracker.com/players/csgoroll/Boomster) $475 679 coins $891 1,273 coins 1.88x 2026-11-07 17:44 UTC [★ Talon Knife | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/talon-knife-doppler-factory-new-phase-2) [xSazukiii](https://gambatracker.com/players/csgoroll/xSazukiii) $475 679 coins $891 1,273 coins 1.88x 2026-11-07 12:51 UTC [★ Talon Knife | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/talon-knife-doppler-factory-new-phase-2) Hidden $475 679 coins $891 1,273 coins 1.88x 2026-11-06 02:53 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=csgoroll&case=dopplers-only) [★ Gut Knife | Gamma Doppler (Minimal Wear) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/gut-knife-gamma-doppler-minimal-wear-phase-4) Hidden $469 670 coins $143 204 coins 0.30x 2026-11-11 16:15 UTC [★ Falchion Knife | Doppler (Minimal Wear) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/falchion-knife-doppler-minimal-wear-phase-4) Hidden $469 670 coins $267 382 coins 0.57x 2026-11-11 14:44 UTC [★ Gut Knife | Doppler (Minimal Wear) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/gut-knife-doppler-minimal-wear-phase-4) Hidden $469 670 coins $115 165 coins 0.25x 2026-11-11 14:24 UTC [★ Gut Knife | Doppler (Minimal Wear) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/gut-knife-doppler-minimal-wear-phase-4) Hidden $469 670 coins $115 165 coins 0.25x 2026-11-11 13:33 UTC [★ Talon Knife | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/talon-knife-doppler-factory-new-phase-2) Hidden $469 670 coins $872 1,246 coins 1.86x 2026-11-11 12:30 UTC [★ Navaja Knife | Doppler (Minimal Wear) (Phase 1) knife · covert · Phase 1](https://gambatracker.com/items/navaja-knife-doppler-minimal-wear-phase-1) Hidden $469 670 coins $108 154 coins 0.23x 2026-11-11 12:05 UTC [★ Navaja Knife | Doppler (Minimal Wear) (Phase 1) knife · covert · Phase 1](https://gambatracker.com/items/navaja-knife-doppler-minimal-wear-phase-1) Hidden $469 670 coins $108 154 coins 0.23x 2026-11-11 10:32 UTC [★ Huntsman Knife | Doppler (Factory New) (Phase 3) knife · covert · Phase 3](https://gambatracker.com/items/huntsman-knife-doppler-factory-new-phase-3) Hidden $469 670 coins $266 380 coins 0.57x 2026-11-11 08:24 UTC [★ Falchion Knife | Doppler (Minimal Wear) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/falchion-knife-doppler-minimal-wear-phase-4) [Mountain](https://gambatracker.com/players/csgoroll/Mountain) $469 670 coins $267 382 coins 0.57x 2026-11-10 23:47 UTC [★ Huntsman Knife | Doppler (Factory New) (Phase 3) knife · covert · Phase 3](https://gambatracker.com/items/huntsman-knife-doppler-factory-new-phase-3) [trae](https://gambatracker.com/players/csgoroll/trae) $469 670 coins $266 380 coins 0.57x 2026-11-10 23:45 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 8 Nov, 17:30 UTC | $469 | 90.91% | 14 | | 2 Nov, 21:39 UTC | $475 | 90.91% | 14 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed covert 100.0% best hit $9,723 (20.46x) 18+ **Case opening is gambling with skins as the currency.** At 90.9% RTP, every $100 put into cases returns $90.91 on average: an expected loss of $9.09 per $100, before any one lucky or unlucky opening. A big drop here says nothing about the next one. [BeGambleAware](https://www.begambleaware.org/) [Help & limits](https://gambatracker.com/responsible-gambling) How these figures are produced and labelled: https://gambatracker.com/llms.txt